(1) If (46)2 is subtracted from the square of a number, the answer so obtained is 485. What is the number?
(a) 4 (b) 51 (c) 56 (d) 53 (e) None of these
(2) 666÷ (2.4 x ?) = 185
(a) 1.5 (b) 2.5 (c) 0.5 (d) 5 (e) None of these
(3) 956 x 753 = ?
(a) 723692 (b) 727398 (c) 710308 (d) 719868 (e) None of these
(4) 3/8 x 4/7 x ? = 5376
(a) 6 (b) 3 (c) 11 (d) 4 (e) None of these
(5) [(9)3 x (?) 2 ] ÷21 = 1701
(a) 6 (b) 3 (c) 11 (d) 4 (e) None of these
(6) 897214 – 336-46521-1249-632176 = ?
(a) 217832 (b) 216725 (c) 216932 (d) 315950 (e) None of these
(7) √11881 x √? = 10137
(a) 8649 (b) 9216 (c) 8281 (d) 9409 (e) None of these
(8) Which of the following is not true about computer files?
(a) They are collections of data saved to a storage medium.
(b) Every file has a file name
(c) A file extension is established by the user to indicate the file’s contents
(d) File usually contain data (e) None of these
(9) Other name by programmed chip?
(a) RAM (b) ROM (c) LSIC (d) PROM (e) None of these
(10) You use a(n) ………. Such as a keyboard or mouse, to input information
(a) output device (b) input device (c) storage device
(d) Processing device (e) None of these
(11) ………….. provides process and memory management service that allow tow or more tasks, jobs or programs to run simultaneously.
(a) Multitasking (b) Multithreading (c) Multiprocessing
(d) Sorting (e) None of these
(12) The task of performing operations just as arithmetical and logical operations is called…
(a) processing (b) Storing (c) Editing
(d) Sorting (d) None of these
(13) The ALU (arithmetical logical unit) and Control Unit are known as
(a) RAM (b) ROM (c) CPU
(d) PC (e) None of these
(14) RAM is a….?
(a) Secondary memory (b) Primary memory (c) Main memory
(d) Both (a) and (b) (e) None of these
(15) magnetic disk is a…??
(a) Secondary memory (b) Primary memory (c) Main memory (d) Both (a) and (b)
Answer : (1) B (2) A (3) D (4) D (5) E (6) C (7) A (8) C (9) B (10) B (11) A (12) A (13) C (14) B (15) A