573. A memory that is capable of determining whether a given datum is contained in one of its addresses is
A. ROM
B. PROM
C. CAM
D. RAM
✅ The correct answer is option C.
576. You can protect a floppy disk.
A. Read
B. Write
C. Read and Write
D. All of the above
✅ The correct answer is option B.
579. RAM is used as a short memory because it is
A. Volatile
B. Has small capacity
C. Is very expensive
D. Is programmable
✅ The correct answer is option A.
582. Resolution of laser printer is specified in terms of
A. DPI
B. LPM
C. CPM
D. PPM
✅ The correct answer is option A.
546. When was the X Window System born?
A. 1984
B. 1989
C. 1988
D. 1990
✅ The correct answer is option A.
548. When you quickly press and release the left mouse button twice, you are :
A. Primary-clicking
B. Pointing
C. Double-clicking
D. Secondary-clicking
✅ The correct answer is option C.
550. A small film-plate which is used for microfilming the output from a microcomputer screen is called
A. microfilm
B. microfiche
C. film card
D. COM
✅ The correct answer is option B.
552. What is the name of the chip which has more than once processor on it?
A. Parallel chip
B. Multi-processor chip
C. Transputer
D. Parallel processor
✅ The correct answer is option C.
555. The bar code which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
A. Laser scanner
B. Wand
C. OCR
D. MICR
✅ The correct answer is option A.
557. The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use
A. Logic gates
B. Discrete switches
C. Boolean algebra
D. Bayes’ theorem
✅ The correct answer is option C.